|Exam 200-120||Question id=82||Troubleshooting|
What are benefits of GLBP?
GLBP supports up to eight virtual forwarders per GLBP group.|
GLBP supports clear text and MD5 password authentication between GLBP group members.|
GLBP is an open source standardized protocol that can be used with multiple vendors.|
GLBP supports up to 1024 virtual routers.|
GLBP can load share traffic across a maximum of four routers.|
GLBP elects two AVGs and two standby AVGs for redundancy.|
Load Sharing - You can configure GLBP in such a way that traffic from LAN clients can be shared by multiple routers, thereby sharing the traffic load more equitably among available routers. Multiple Virtual Routers GLBP supports up to 1024 virtual routers (GLBP groups) on each physical interface of a router, and up to four virtual forwarders per group.
Preemption - The redundancy scheme of GLBP enables you to preempt an active virtual gateway with a higher priority backup virtual gateway that has become available. Forwarder preemption works in a similar way, except that forwarder preemption uses weighting instead of priority and is enabled by default.
Authentication - You can use a simple text password authentication scheme between GLBP group members to detect configuration errors. A router within a GLBP group with a different authentication string than other routers will be ignored by other group members.